<!DOCTYPE html>
<html>

<head>meta charset="UTF-8"</head>

<body>

    <form>
        First name:<br>
        <input type="text" name="firstname">
        <br>
        Last name:<br>
        <input type="text" name="lastname">
        <input type="radio" name="sex" value="男" checked>Male
        <br>
        <input type="radio" name="sex" value="女">Female
    </form>

    <p>哈喽</p>

    <p>你们好</p>

</body>

</html>